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Calculus Bonus

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Form two four-digit numbers from the digits 2, 3, 4, 5, 6, 7, 8,
and 9, using each digit exactly once, so that the absolute value of
the difference of the two numbers is as small as possible.

Confused need to double check with you all.

  • Calculus Bonus -

    9753-8642=1111

  • Calculus Bonus -

    i was wrong! sorry...

    So far, I think it's 6234-5987 to get a difference of 247...

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